JEE Main Test 125

Result

JEE Main Test 125

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
4 / -1

The atomicity of sulphur in rhombic sulphur is

A
1

B
2

C
4

D
8

Solution
Question 2
4 / -1

Which metal gives hydrogen gas on heating with hot concentrated alkali ?

A
Ag

B
Ni

C
Zn

D
Cu

Solution

Zinc on heating with hot concentrated alkali gives hydrogen gas.
Question 3
4 / -1

If f(x) = |log |x||, then

A
f(x) is continuous and differentiable for all x in its domain

B
f(x) is continuous for all x in its domain but not differentiable at x = ± 1

C
f(x) is neither continuous nor differentiable at x = ± 1

D
None of the above

Solution
Question 4
4 / -1

Which of the following statements is incorrect regarding benzyl chloride?

A
It gives white precipitate with alcoholic AgNO₃

B
It is an aromatic compound with substitution in the side chain

C
It undergoes nucleophilic substitution reaction

D
It is less reactive than vinyl chloride

Solution

Benzyl chloride is an organic compound. It is colorless liquid and is reactive organochlorine compound , and gives white precipitation with AgNO₃ followed by nucleo-philic substitution reaction.
Question 5
4 / -1

What is the overall formation equilibrium constant for the ion [ML₄]^2- ion, given that β₄ for this complex is 2.5 × 10¹³ ?

A
2.5 × 10¹³

B
5 × 10^-13

C
2.5 × 10^-14

D
4.0 × 10^-13

Solution
Question 6
4 / -1

A point on the parabola y² = 18x at which the ordinate increases at twice the rate of the abscissa is

A
(2, 4)

B
(2, -4)

C
(-9/8, 9/2)

D
(9/8, 9/2)

Solution
Question 7
4 / -1

In the following reaction sequence predict the compound X and Y.

A

B

C

D

Solution
Question 8
4 / -1

If f(x) be a differentiable function in [2, 7]. If f(2) = 3 and f '(x) ≤ 5 for all x in (2, 7), then the maximum possible value of f(x) at x = 7 is

A
7

B
15

C
28

D
14

Solution
Question 9
4 / -1

The reactivity of compound Z with different halogens under appropriate conditions is given below

A
the steric effect on the halogen

B
the steric effect of the tert-butyl group

C
the electronic effect of the phenolic group

D
All (1) , (2) and (3)

Solution
Question 10
4 / -1

The major product(s) of the following reaction is (are)

A
P

B
Q

C
R

D
S

Solution