1
JEE Main 2022 (Online) 26th July Evening Shift
Numerical
+4
-1
Out of Syllabus
Change Language

The number of non-ionisable protons present in the product B obtained from the following reactions is ___________.

$$ \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}+\mathrm{PCl}_{3} \rightarrow \mathrm{C}_{2} {\mathrm{H}_{5} \mathrm{Cl}+\mathrm{A}} $$

$$\mathrm{A}\,{+}\, \mathrm{PCl}_{3} \rightarrow \mathrm{B}$$

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2
JEE Main 2022 (Online) 25th June Evening Shift
Numerical
+4
-1
Out of Syllabus
Change Language

Consider the following reactions:

PCl3 + H2O $$\to$$ A + HCl

A + H2O $$\to$$ B + HCl

The number of ionisable protons present in the product B is _______________.

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3
JEE Main 2021 (Online) 31st August Morning Shift
Numerical
+4
-1
Out of Syllabus
Change Language
Consider the sulphides HgS, PbS, CuS, Sb2S3, As2S3 and CdS. Number of these sulphides soluble in 50% HNO3 is ___________.
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4
JEE Main 2021 (Online) 31st August Morning Shift
Numerical
+4
-1
Out of Syllabus
Change Language
The number of halogen/(s) forming halic (V) acid is ___________.
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