Embibe Experts Solutions for Chapter: The d- and f-Block Elements, Exercise 1: Exercise

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Embibe Experts Chemistry Solutions for Exercise - Embibe Experts Solutions for Chapter: The d- and f-Block Elements, Exercise 1: Exercise

Attempt the practice questions on Chapter 4: The d- and f-Block Elements, Exercise 1: Exercise with hints and solutions to strengthen your understanding. Chemistry Crash Course (Based on Revised Syllabus-2023) solutions are prepared by Experienced Embibe Experts.

Questions from Embibe Experts Solutions for Chapter: The d- and f-Block Elements, Exercise 1: Exercise with Hints & Solutions

MEDIUM
12th Uttar Pradesh Board
IMPORTANT

The coinage metals are 

EASY
12th Uttar Pradesh Board
IMPORTANT

Account for the following: Zn, Cd, Hg are considered as d-block elements but not as transition elements.
 

EASY
12th Uttar Pradesh Board
IMPORTANT

Account for the following: Chromates change their colour when kept in an acidic solution.

EASY
12th Uttar Pradesh Board
IMPORTANT

Account for the following: Copper (I) compounds are white whereas copper (II) compounds are coloured.

MEDIUM
12th Uttar Pradesh Board
IMPORTANT

Give reason and select one atom/ion which will exhibit asked property : 
Cr or Cu (High melting and boiling point)

EASY
12th Uttar Pradesh Board
IMPORTANT

Calculate the spin only moment of Co2+ Z=27 by writing electronic configuration of Co and Co2+

EASY
12th Uttar Pradesh Board
IMPORTANT

Give reasons: Sc3+ is a colourless in aqueous solution whereas Ti3+ is coloured.

MEDIUM
12th Uttar Pradesh Board
IMPORTANT

What is the change in oxidation number of sulphur during the oxidation of sulphite ion to sulphate ion by potassium permanganate in acidic medium?