Chemistry Test 113

Result

Chemistry Test 113

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

Total number of optically active tartaric acids are-

A
1

B
2

C
3

D
4

Solution

Optically active tartaric acids are-
Question 2
4 / -1

How many grams of solid NaOH must be added to 100 ml of a buffer solution which is 0.1 M each w.r.t. Acid HA and salt Na⁺ A^– to make the pH of solution 5.5.

Given : pk_a (HA) = 5.

(Use antilog (0.5) = 3.16)

A
2.08 × 10^–1

B
3.05 × 10^–3

C
2.01 × 10^–2

D
5.19 × 10^–2

Solution
Question 3
4 / -1

The correct IUPAC name of complex [Hg(CHCl₂)(Ph)] is :

A
Dichloromethylbenzylmercury(II)

B
Benzyldichloromethylmercury(II)

C
Chloroformphenylmercury(II)

D
Dichloromethylphenylmercury(II)

Solution
Question 4
4 / -1

major product (A)

A
CH₃–CH₂–CH=CH₂

B

C

D

Solution

Given reaction in Kolbe's electrolysis
Question 5
4 / -1

If r₊ = 200 pm & r_– = 500 pm in ionic crystal then cation will be present in -

A
triangular void

B
tetrahedral void

C
octahedral void

D
cubical void
Question 6
4 / -1

In the extraction of Cu from copper pyrite ore, the reducing species in self-reduction process is :

A

B
O^2–

C
S^2–

D

Solution
Question 7
4 / -1

Product 'B' in the above reaction is-

A
(1)

B
(2)

C
(3)

D
(4)

Solution

Given reaction is an example of intramolecular Cannizzaro reaction.
Question 8
4 / -1

Milk is an example of

A
emulsion

B
suspension

C
foam

D
sol

Solution

Fact based
Question 9
4 / -1

Which of the following species has maximum tendency to gain an electron ?

A
H⁺

B
He⁺

C
Na⁺

D
Cl⁺

Solution
Question 10
4 / -1

Which of the following compound can give positive Tollen's test ?

A
(1)

B
(2)

C
(3)

D
(4)

Solution