SATHEE: P-Block Elements Ques 525

P-Block Elements Ques 525

Question: Borax is converted into crystalline boron by the following steps: $B o r a x \overset{X}{\to} H_{3} B O_{3} \overset{Δ}{\to} B_{2} O_{3} \to_{Δ}^{Y} B$ X and Y are respectively:

Options:

A) $H C l, M g$

B) $H C l, C$

C) $C, A l$

D) $H C l, A l$

Show Answer

Answer:

Correct Answer: D

Solution:

$B o r a x \overset{H C l}{\to} H_{3} B O_{3}$ $B_{2} O_{3} \overset{H C l}{\to} B (c r y s t a l l i n e)$ $B_{2} O_{3} \to_{Δ}^{M g} B (A m o r p h o u s)$

P-Block Elements Ques 525

Question: Borax is converted into crystalline boron by the following steps: $B o r a x \overset{X}{\to} H_{3} B O_{3} \overset{Δ}{\to} B_{2} O_{3} \to_{Δ}^{Y} B$ X and Y are respectively:

Options:

Answer:

Solution:

Engineering Preparation

Medical Preparation

NCERT Books & Solutions

Important Resources

Other Resources

Syllabus

Test Platform

Sample Mock Test

Mentorship

NCERT Exercise Video Solution

P-Block Elements Ques 525

Question: Borax is converted into crystalline boron by the following steps: Borax→XH3BO3→ΔB2O3→ΔYB X and Y are respectively:

Options:

Answer:

Solution:

Engineering Preparation

Medical Preparation

NCERT Books & Solutions

Important Resources

Other Resources

Syllabus

Test Platform

Sample Mock Test

Mentorship

NCERT Exercise Video Solution

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Question: Borax is converted into crystalline boron by the following steps: $B o r a x \overset{X}{\to} H_{3} B O_{3} \overset{Δ}{\to} B_{2} O_{3} \to_{Δ}^{Y} B$ X and Y are respectively: