Home
Class 12
CHEMISTRY
Statement I: CdS is yellow coloured. S...

Statement I: CdS is yellow coloured.
Statement II: The d-d transition does not take place in this compound.

A

If both Statement I and Statement II are true and Statement II is the correct explanation of Statement I.

B

If both Statement I and Statement II are true but Statement II is not the correct explanation for Staement I.

C

If Statement I is true but Statement II is false.

D

If Statement I is false but Statement II is true.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

Which is coloured because of d-d transition ?

Statement-1: K_(3)[VF_(6)]" and "KMnO_(4) are coloured compounds. Statement-2: The colour of the compound is attributed to d-d transition in both the compounds.

(a) Statement I is true, Satement II is true, Statement II is the correct explanaition of Statement I. (b) Statement I is true, Satement II is true, Statement II is not the correct explanaiton of Statement I. (c ) Statement I is true, Statement II is false (d) Statement I is false : Statement II is true 2. Statement I : Pb^(4+) compounds are stronger oxidising agents than Sn^(2+) compounds . Statement II : The lower oxidation states for the group 14 elements are more stable for the heavier members of the group due to 'inert pair effect'

Let F(x) be an indefinite integral of sin^(2)x Statement I The function F(x) satisfies F(x+pi)=F(x) for all real x. Because Statement II sin^(2)(x+pi)=sin^(2)x, for all real x. (A) Statement I is true, Statement II is also true, Statement II is the correct explanation of Statement I. (B)Statement I is true, Statement II is also true, Statement II is not the correct explanation of Statement I. (C) Statement I is true, Statement II is false. (D) Statement I is false, Statement II is ture.

Some questions (Assertion-Reason Type) are given below. Each question contains Statement I (Assertion) and statement II(reason). Each question has 4 choices (a),(b),(c ) and (d) out of which only one is correct. So select the correct choise. a. Statement I is True, Statement II is True,Statement II is a correct explanation for Statement I b. Statement I is True, Statement II is True, Statement II is NOT a correct ecplanation for Statement I c. Statement I is True, Statement II is False . d. Statement I is false, Statement II is True. 3. Statement I: The de Broglie wavelength of a molecule (in a sample of ideal gas) varies inversely as the square root of absolute temperature. Statement II: The de Broglie wavelength of a molecule (in sample of ideal gas) depends on temperature.

Statement I : Xenon form fluorides. Statement II : Because 5d orbitals are available for valence shell expansion.