When sodium chromate is acidified with sulfuric acid and then further treated with potassium chloride, we obtain…

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Alcohols are versatile compounds as they can act as both nucleophile and electrophile. They undergo reactions based on cleavage of \(\mathrm{O}-\mathrm{H}\) and \(\mathrm{C}-\mathrm{O}\) bonds. The cleavage of \(\mathrm{O}-\mathrm{H}\) bond reflects the acidic character of alcohols. However they are weaker acids than water, phenol and carboxylic acids. Alkoxide ion formed by loss of proton from the OH group of alcohols reacts with water to form the corresponding conjugate acid - base pair. They act as Bronsted base due to presence of unshared electron pairs on oxygen.Both alcohols and phenol react with carboxylic acids, acid chlorides and anhydrides to form esters. The introduction of acetyl group in alcohols or phenol is known as acetylation. Alcohols react with hydrogen halides to form alkyl halides which form the basis of Lucas test. They also undergo acid catalyzed dehydration to form alkenes. Alcohols can be easily oxidized with variety of oxidizing agents. The nature of the product depends on the type of oxidizing agent and the nature of alcohol.
Lucas reagent is

Choose the correct statements from the following related to glycine amino acid.
(A). Water soluble \(\alpha\)-amino acid.
(B). It has both amino and carboxylic groups in its structure.
(C). It is optically inactive.
(D). It is a non-essential amino acid.
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Which of the following compound shows optical isomerism ?

Arrange the following electrodes in decreasing order of the strength of the respective ions as reducing agent.
(A) \(Cu ^{2+}+2 e^{-} \rightarrow Cu (s) \quad E^{\circ}=0.34 V\)
(B) \(Sn ^{2+}+2 e^{-} \rightarrow \operatorname{Sn}(s) \quad E^{\circ}=-0.14 V\)
(C) \(AgBr ( s )+e^{-} \rightarrow Ag ( s )+ Br ^{-} \quad E^{\circ}=0.10 V\)
(D) \(Pb ^{2+}+2 e^{-} \rightarrow Pb (s) \quad E^{\circ}=-0.13 V\)
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Match the complex given in List-I with type of hybridisation given in List-II.

List-I (Complex)	List-II (Hybridisation)
(A) \([Ni(CO)_4]\)	(I) \(sp^3d^2\)
(B) \([Ni(CN)_4]^{2-}\)	(II) \(dsp^2\)
(C) \([Co(NH_3)_6]^{3+}\)	(III) \(d^2sp^3\)
(D) \([CoF_6]^{3-}\)	(IV) \(sp^3\)

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For the cell represented by the following reaction :
\(Mg ( s )+2 Ag ^{+}(0.0001 M ) \rightarrow Mg ^{2+}(0.2 M )+2 Ag ( s )\)
If \(E_{\text {cell }}^{\circ}=3.17 V\), its \(E_{\text {cell }}\) at 298 K will be:
(Given: \(\log _{10} 2=0.301\) )

Which of the following is not an alien species in India?

A point charge is placed at any point on the axis of an electric dipole at some large distance, experiences a force F. The force acting on the point charge when it's distance from the dipole is halved will be

The karyotype in klinefelter's syndrome is:

The relation \(R=\{(1,1),(2,2),(3,3),(1,2),(2,3),(1,3)\}\) on the set \(A=\{1,2,3\}\) is :

Fog is a colloidal solution of

Match the statement of set of orbitals given in List-I with orbitals and energy separation given in List-II

List – I (Statements)	List-II (Orbitals and energy separation)
(A) \(t_{2 g}\) set of orbitals in octahedral crystal field and energy separation from barycentre	(I) \(d_{x^2-y^2}, d_{z^2}\) and \(3 / 5 \Delta_t\)
(B) \(e_g\) set of orbitals in octahedral crystal field and energy separation from barycentre	(II) \(d_{x y}, d_{x z}, d_{y z}\) and \(2 / 5 \Delta_t\)
(C) \(t_2\) set of orbitals in tetrahedral crystal field and energy separation from barycentre	(III) \(d_{x^2-y^2}, d_{z^2}\) and \(3 / 5 \Delta_0\)
(D) \(e\) set of orbitals in tetrahedral crystal field and energy separation from barycentre	(IV) \(d_{x y}, d_{x z}, d_{y z}\) and \(2 / 5 \Delta_0\)

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