Match the wavelength of light absorbed given in List-l with the color of light absorbed in List-ll

List-l(Wavelength of light absorbed(nm))	List-lI(Colour of light absorbed)
(A) 535	(I) Yellow
(B) 475	(II) Red
(C) 600	(III) Blue
(D) 498	(IV) Blue Green

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Choose the correct statement/statements for Cannizaro reaction.
A. Takes place in aldehydes and ketones having absence of \(\alpha\)-hydrogen
B. Takes place in aldehydes having absence of \(\alpha\)-hydrogen
C. It is a disproportionation reaction
D. Get a mixture of carboxylic acid salt and ethers
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Read the passage carefully and answer the Questions
Amines are classified as primary \(\left(1^{\circ}\right)\), secondary \(\left(2^{\circ}\right)\) and tertiary \(\left(3^{\circ}\right)\) depending upon the number of hydrogen atoms replaced by alkyl or aryl groups in ammonia molecules. Aliphatic amines are a stronger bases due to \(+I\) effect of an alkyl groups. Intermolecular hydrogen bonding in primary and secondary amines affects the boiling points of amines. The intermolecular association is more in primary amines than in secondary amines as there are more number of hydrogen atoms available for hydrogen bond formation. Nitro compounds are reduced to amines by passing hydrogen gas in the presence of finely divided nickel, palladium or platinum and also by reduction with metals in an acidic medium. Gabriel synthesis is used for the preparation of primary amines. Primary amines react with nitrous acid to give unstable diazonium-salts which can be used to synthesize a variety of compounds.
The reaction is an example of

Which of the following compound is a gem-dihalide?

Identify the product \([\text{B}]\) in the following reaction.
\(\text{CH}_3\text{CH}_2-\text{C} \equiv \text{CH} + \text{HCl} \rightarrow \text{A} \xrightarrow{\text{HI}} [\text{B}]\)

Elements of group-15, 16 and 17 form compounds with hydrogen with general formula MH3, H 2 M and HX (called hydrogen halides). Stability of these hydrides, along with M-H bond strength and basic nature decreases down the group. Boiling point of these hydrides mainly depends on the strength of their inter molecular forces.
Bond angle (HMH) among hydrides of group-16 decreases down the group because:

The unit of conductance(G) is

The identifying features of the embryo of monocotyledons are:
(A). Coleoptile
(B). Root cap enclosed in coleorhiza
(C). Pericarp
(D). One cotyledon
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In a magnetic field,
(A) a charged particle in motion can experience a force
(B) a charged particle at rest, experiences a force
(C) there is no change in the speed of the charged particle
(D) there is a change in the kinetic energy of the charged particle.
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Aldehydes and ketones undergo nucleophilic addition reactions. A nucleophile attacks the electrophilic carbon atom of polar carbonyl group from perpendicular to plane of \(sp^2\) hybridised orbitals of carbonyl carbon. The hybridisation of carbon changes from \(sp^2\) to \(sp^3\) and a tetrahedral alkoxide intermediate is formed. This captures \(H^+\) to give neutral product. In carboxylic acids, carbonyl carbon is less electrophilic than carbonyl carbon in aldehydes and ketones.
The optimum pH for carrying out the reaction of aldehyde with hydroxylamine to form oxime is :

The number of tangents to the curve \(x y-3 y+2=0\) having slope 2 is :

Match List - I with List - II.

List - I	List - II
(A) Buna-S	(I) Vinyl chloride
(B) Neoprene	(II) 1,3-Butadiene and styrene
(C) PVC	(III) Tetra flouroethene
(D) Teflon	(IV) Chloroprene

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The area (in sq. units) of the region bounded by \(y=2 x+3\), the \(x\)-axis, and the ordinates \(x=-2, x=2\) is equal to