Which one of the following is a Lewis acid?
- A$ClF_3$
- B$H_2O$
- C$NH_3$
- DNone of these
Explore More
Similar Questions
Which of the following triatomic molecules does not exist?
Difficult
View SolutionMatch the following species in List-$I$ with the number of lone pairs in List-$II$.
List-$I$ (Species) List-$II$ (Number of lone pairs) $A. \ CH_3COCH_3$ $I. \ 2$ $B. \ CH_3CO^+$ $II. \ 0$ $C. \ CH_3CH_2^+$ $III. \ 1$ $IV. \ 3$
| List-$I$ (Species) | List-$II$ (Number of lone pairs) |
|---|---|
| $A. \ CH_3COCH_3$ | $I. \ 2$ |
| $B. \ CH_3CO^+$ | $II. \ 0$ |
| $C. \ CH_3CH_2^+$ | $III. \ 1$ |
| $IV. \ 3$ |
Total number of non-bonded electrons present in $NO_2^{-}$ ion based on Lewis theory is $........$
The correct order of $C-O$ bond length among $CO, CO_3^{2-}, CO_2$ is
Which of the following pairs are isoelectronic and isostructural?
$NO_3^{-}, CO_3^{2-}, ClO_3^{-}, SO_3, NO_2^{-}$
$NO_3^{-}, CO_3^{2-}, ClO_3^{-}, SO_3, NO_2^{-}$
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo