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Each of these questions contains two sta...

Each of these questions contains two statements : Assertion (A) and Reason (R). Each of these questions also has four alternative choices, only one of which is the correct answer. You have to select one of the codes (A), (B), (C), (D) given below
(1) A: Mercury is liquid at room temperature.
R:In mercury, there is no unpaired d-electron and thus, metallic bonding is weakest.

A

(1) Assertion is true, Reason is true, Reason is a correct explanation for Assertion

B

(2) Assertion is true, Reason is true, Reason is not a correct explanation for Assertion.

C

(3) Assertion is true, Reason is false

D

(4) Both assertion and Reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A

Reason is the correct explanation of Assertion
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STATEMENT-1: Mercury is liquid at room temperature. and STATEMENT-2: in mercury, there is no unpaired d-electron and thus metallic bonding is weakest

STATEMENT-1: Mercury is liquid at room temperature. and STATEMENT-2: in mercury, there is no unpaired d-electron and thus metallic bonding is weakest

Knowledge Check

  • This question consists of two statements each assertion (A) and reason ( R) . To answer this question mark the correct alternative as directed below .

    A
    If both A and R are true and R is the correct explanation of A
    B
    If both A and R are true, but R is not the correct explanation A.
    C
    If A is true but R is false .
    D
    If both A and R are false .
  • Statement-1 (Assertion) and Statement-2 (Reason) Each of the these examples also has four laternative choices , only one of which is the correct answer. You have to select the correct choice as given below . Number of distincet terms in the sum of expansion (1 + ax)^(10)+ (1-ax)^(10) is 22.

    A
    Statement-1 is ture ,Statement-2 is treu, Statement-2 is a correct explanation for Statement-1
    B
    Statement-1 is ture ,Statement-2 is treu, Statement-2 is not a correct explanation for Statement-1
    C
    Statement-1 is true ,Statement-2 is false
    D
    Statement-1 is true ,Statement-2 is ture
  • Statement-1 (Assertion and Statement- 2 (Reason) Each of these questions also has four alternative choices, only one of which is the correct answer. You have to select the correct choice as given below. Statement-1 For a singular matrix A , if AB = AC rArr B = C Statement-2 If abs(A) = 0, thhen A^(-1) does not exist.

    A
    Statement- is true, Statement -2 is true, Statement-2
    is a correct explanation for Statement-3
    B
    Statement-1 is true, Statement-2 is true, Sttatement - 2
    is not a correct explanation for Stamtement-3
    C
    Statement 1 is true, Statement - 2 is false
    D
    Statement-1 is false, Statement-2 is true
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