E M B I B E

Alpha Question Bank for Engineering: Chemistry>Chapter 16 - The s-Block Elements>Exercise-1>Q 92

EASY

JEE Main/Advance

IMPORTANT

Earn 100

On heating $K C l O_{3}$ we get

40% studentsanswered this correctly

Important Questions on The s-Block Elements

EASY

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 16 - The s-Block Elements>Exercise-1>Q 93

Metal

(M)

shows crimson red colour in flame test and its halide is deliquescent then metal

(M)

could be:

MEDIUM

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 16 - The s-Block Elements>Exercise-2>Q 1

Match Column- $I$ with column- $II$ and select the correct answer with respect to the name given below.

	Column- $I$		Column- $II$
$(I)$	Mercurous Chloride	$(P)$	$K_{2} O_{2}$
$(II)$	Calcium Phosphide	$(Q)$	${SrH}_{2}$
$(III)$	Potassium peroxide	$(R)$	${Hg}_{2} {Cl}_{2}$
$(IV)$	Strontium hydride	$(S)$	${Ca}_{3} P_{2}$

Code:

EASY

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 16 - The s-Block Elements>Exercise-2>Q 2

Which statement is/are incorrect?

EASY

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 16 - The s-Block Elements>Exercise-2>Q 3

An element having electronic configuration

1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 4 s^{1}

will form _______.

MEDIUM

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 16 - The s-Block Elements>Exercise-2>Q 12

The pair of amphoteric hydroxides is:

EASY

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 16 - The s-Block Elements>Exercise-2>Q 13

{Na}_{2} [Be (OH)_{4}]

is formed when;

EASY

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 16 - The s-Block Elements>Exercise-2>Q 14

Drying agent which react with

C O_{2}

and removes water vapours is

EASY

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 16 - The s-Block Elements>Exercise-2>Q 18

A colourless solid $(X)$ on heating evolved ${CO}_{2}$ and also gave a white residue, soluble in water. Residue also gave ${CO}_{2}$ when treated with dilute acid $(X)$ is: