Arrange the following complexes in increasing order of number of moles of silver chloride precipitated
when one mole of each is reacted with excess of silver nitrate.
(A) \(\left[ Co \left( NH _3\right)_4 Cl _2\right] Cl\)
(B) \(\left[ Co \left( NH _3\right)_5 Cl \right] Cl _2\)
(C) \(\left[ Co \left( NH _3\right)_3 Cl _3\right]\)
(D) \(\left[ Co \left( NH _3\right)_6\right] Cl _3\)
Choose the correct answer from the options given below:

Match List-l with List-II

List-l (Complex)	List-II (Property)
(A) \(\left[ CoF _6\right]^{3-}\)	(I) \(d^5\), high spin
(B) \(\left[ Fe ( CN )_6\right]^{4-}\)	(II) \(d^6\), high spin
(C) \(\left[ FeF _6\right]^{3-}\)	(III) \(d^5\), low spin
(D) \(\left[ Mn ( CO )_6\right]^{2+}\)	(IV) \(d^6\), low spin

Choose the correct answer from the options given below :

Match List - I with List - II.

List – I	List – II
(A) Ethanol and Diethyl ether	(I) Lucas reagent
(B) Methanol and Ethanol	(II) Sodium metal
(C) n-Butyl alcohol and tert. Butyl alcohol	(III) Iodoform test
(D) Phenol and Cyclohexanol	(IV) Ferric Chloride

Choose the correct answer from the options given below :

Read the passage carefully and answer the questions
Sodium dichromate \(Na _2 Cr _2 O _7\) and Potassium dichromate \(K _2 Cr _2 O _7\) are strong oxidizing agents; in acidic solution, its oxidising action can be represented as follows :
\(Cr _2 O _7^{2-}+14 H ^{+}+6 e^{-} \rightarrow 2 Cr ^{3+}+7 H _2 O \left( E ^{\circ}=1.33 V\right)\)
The chromates and dichromates are interconvertible in aqueous solution depending upon pH of the solution.
The chromate ion is tetrahedral whereas the dichromate ion consists of two tetrahedra sharing one corner with \(Cr - O - Cr\) bond angle of \(126^{\circ}\)
Potassium permanganate is prepared by fusion of \(MnO _2\) with an alkali metal hydroxide and an oxidising agent like \(KNO _3\).
This produces the dark green \(K _2 MnO _4\) which disproportionates in a neutral or acidic solution to give permanganate. It is a strong oxidizing agent. Hydrogen ion concentration of the solution plays
an important part in the reduction of permanganate to manganate, manganese dioxide and manganese(II) salt.
Potassium permanganate forms dark purple (almost black) crystals which are isostructural with those of \(KClO _4\).
The salt is not very soluble in water \((6.4 g / 100 g\) of water at 293 K ), but when heated it decomposes at 513 K .
Alkaline/neutral \(KMnO _4\) oxidizes iodide ( \(I ^{-}\)) ion to

Calculate the lowering of vapour pressure caused by the addition of \(5 0 ~ g\) of sucrose (mol mass = \(3 4 2 ~ g / m o l\) ) to \(7 5 0 ~ g\) of water, if the vapour pressure of pure water at Ambient temperature is 23.8 mm Hg

Answer the question on the basis of passage given below:
Proteins are the polymers of about twenty different a-amino acids which are linked by peptide bonds. Proteins perform various structural and dynamic functions in the organisms. Proteins which contain only a-amino acids are called simple proteins. The secondary or tertiary structure of proteins get disturbed on change of pH or temperature and they are not able to perform their functions. This is called denaturation of proteins. Enzymes are biocatalysts which speed up the reactions in biosystems. Vitamins are accessory food factors required in the diet. They are classified as fat soluble (A, D, E and K) and water soluble (B group and C). Deficiency of vitamins leads to many diseases. Nucleic acids are the polymers of nucleotides which in turn consist of a base, a pentose sugar and phosphate moiety. Nucleic acids are responsible for the transfer of characters from parents to offsprings. There are two types of nucleic acids DNA and RNA. DNA contains a five carbon sugar molecule called 2-deoxyribose whereas RNA contains ribose.
RNA and DNA differ due to presence/absence of oxygen at which carbon of sugar moiety?

Which of the following is NOT correctly matched?
A. Element of 1st transition series with highest 2nd ionisation enthalpy: Cu
B. Element of 1st transition series with lowest atomisation: Zn
C. Last element of 2nd transition series : Hg
D. Element of 1st transition series with highest 3rd ionisation enthalpy : Zn
Choose the correct answer from the options given below:

Which of the following is a fat soluble vitamin?

For any vector \(\vec{a}\), the value of \(|\vec{a} \times \hat{i}|^2+|\vec{a} \times \hat{j}|^2+|\vec{a} \times \hat{k}|^2\) is equal to :

2, 4, 6 - trinitrophenol is
[Structure: Phenol ring with \(- NO _2\) groups at positions 2, 4, and 6]

In a Daniell cell
A. Current flows from zinc electrode to copper electrode
B. Electrons flow from zinc electrode to copper electrode.
C. Cell potential depends on size of electrodes used.
D. Electrons flow from copper electrode to zinc electrode
E. Copper ions move towards cathode and zinc ions move away from anode.
Choose the correct answer from the options given below:

An unbiased coin is tossed 6 times. The Probability of getting at least one head is:

The integral \(I=\int \frac{e^{5 \log _0 x}-e^{4 \log _0 x}}{e^{3 \log _0 x}-e^{2 \log _0 x}} d x\) is equal to: