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1 In Wolff-Kishner reduction, the carbonyl group of aldehydes and ketones is converted into
2
In which one of the following, d-d transition involves absorption in the ultraviolet region
3
Which one of the following has the maximum number of P−OH bonds ?
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A binary solid has a primitive cubical structure with B− ions constituting the lattice points and A+ ions occupying 25% of its tetrahedral holes. The molecular formula of the crystal is
5
Match the following
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Dacron is continuous filament yarn used in curtains, dress fabrics and pressure fire hoses. The reaction for preparing dacron is by the combination of which of the following ?
7
What will be the products when benzaldehyde is treated with NaOD in D2O ?
8
Which of the following product (s) is/are formed when fructose is treated with Na- Hgin water ?
9
What will be the equilibrium constant of the given reaction carried out in a 5L vessel and having equilibrium amounts of A2A2 and AA as 0.50.5 mole and 2×10−6mole respectively ?
The reaction : A2?−−?2A
10
What is the number of octahedral void(s) per atom present in a cubic dose-packed structure ?
11
An element has a body centered cubic (bcc) structure with a cell edge of 288 pm. The atomic radiusis:
12
Which of the following oxoarid of sulphur has -O-O- linkage?
13
Hydrolysis of sucrose is given by the following reaction. Sucrose+H20?Glucose+FructoseSucrose+H20?Glucose+Fructose
If the equilibrium constant (Kc)(Kc) is 2×1013 at 300K, the value of ΔrG?at the same temperature will be :
14
Identify the correct statements from the following:
(a) CO2(g)CO2(g) is used as refrigerant for ice-cream and frozen food.
(b) The structure of C60C60 contains twelve six carbon rings and twenty five carbon rings.
(c) ZSM−5ZSM−5, a type of zeolite, is used to convert alcohols into gasoline.
(d) COCO is colorless and odourless gas.
15
Match the following:
Which of the following is correct option ?
