KVPY Stream-SA (Class 11) Chemistry: Questions 64 - 68 of 133

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Question number: 64

» Equilibrium » Ionic Equilibrium » Solubility Products

Appeared in Year: 2009

MCQ▾

Question

Solubility vs. temperature

Solubility vs. Temperature

Showing graph of Solubility vs. temperature of KNO3and KCl

Given the solubility’s curves of KNO3 and KCl which of the following statement is not true?

Choices

Choice (4) Response

a.

At room temperature the solubility of KNO3 and KCl are not equal

b.

The solubility of KNO3 increases much more compared to that of KCl with increase in temperature

c.

The solubility of KCl decreases with temperature

d.

The solubility’s of both KNO3 and KCl increase with temperature

Question number: 65

» Equilibrium » Ionic Equilibrium » Acids and Bases (Arrhenius, Brnsted - Lowry and Lewis)

Appeared in Year: 2012

MCQ▾

Question

Among the following, the most basic oxide is

Choices

Choice (4) Response

a.

Al2O3

b.

Na2O

c.

P2O5

d.

SiO2

Question number: 66

» Organic Compounds With Halogens » Effects of Chloroform & Iodoform

Appeared in Year: 2011

MCQ▾

Question

A compound that shows positive iodoform test is

Choices

Choice (4) Response

a.

Methyl propyl ketone

b.

Diethyl ketone

c.

3- pentanol

d.

1-pentanol

Question number: 67

» Basic Concepts in Chemistry » Empirical and Molecular Formulae

Appeared in Year: 2014

MCQ▾

Question

What is the equivalent weight of HNO3 in the following reaction?

HNO3+H2SH2O+NO+S

Choices

Choice (4) Response

a.

33

b.

21

c.

11.5

d.

Question does not provide sufficient data or is vague

Question number: 68

» Chemical Bonding » Covalent Bonding » Dipole Moment

Appeared in Year: 2014

MCQ▾

Question

Which of the following molecules has no dipole moment?

Choices

Choice (4) Response

a.

NH3

b.

H2O

c.

CH3Cl

d.

CO2

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