MCQ
The electron density between $1s$ and $2s$ orbital is
- AHigh
- BLow
- ✓Zero
- DNone of these
✓
Answer
Correct option: C.
Zero
c
(c) This space is called nodal space where there is no possibility of oressene of electrons.
(c) This space is called nodal space where there is no possibility of oressene of electrons.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The acidic hydrolysis of ether $( X )$ shown below is fastest when :
→The half life of a first order reaction is
Cyanamide process is used in the formation of
The correct order of acidic strength of the following compounds
→$A.$ Phenol $B.$ Cresol
$C.\, m-$ Nitrophenol $D.\, p-$ Nitrophenol
Acetic anhydride and ammonia gives the product :
Which has the maximum ferromagnetic character
$20\,mL$ of $0.02\,M\,K _{2} Cr _{2} O _{7}$ solution is used for the titration of $10 \,mL$ of $Fe ^{2+}$ solution in the acidic medium.The molarity of $Fe ^{2+}$ solution is ........... $\times 10^{-2}\,M$ (Nearest Integer)
→Calculate $pH$ of solution obtained by mixing $50\,\,ml$ $0.2\,\,M$ $NH_4Cl$ solution and $75\,ml$ . $0.1\,\, M\, NaOH$ solution. $pKb$ for aqueous $NH_3$ is $4.74$
→In the given reaction :$[X]$ will be :
→Appearance of blood red colour, on treatment of the sodium fusion extract of an organic compound with $\mathrm{FeSO}_4$ in presence of concentrated $\mathrm{H}_2 \mathrm{SO}_4$ indicates the presence of element/s
→