Chemistry Inorganic Chemistry questions from NEET UG 2021.
Which of the following molecules is non-polar in nature?
Noble gases are unreactive because
Noble gases are named because of their inertness towards reactivity. Identify an incorrect statement about them.
Statement I: Acid strength increases in the order given as $\mathrm{HF}<<\mathrm{HCl}<<\mathrm{HBr}<<\mathrm{HI}$ Statement II: As the size of the elements $F,\mathrm{Cl},\mathrm{Br},I$ increases down the group, the bond strength of $\mathrm{HF},\mathrm{HCl}$ $\mathrm{HBr}$ and HI decreases and so the acid strength increases. In the light of the above statements, choose the correct answer from the options given below.
The incorrect statement among the following is:
Match List - I with List - II. <table class="pyq-table"><tbody><tr><td colspan="2" rowspan="1">List-I</td><td colspan="2" rowspan="1">List-II</td></tr><tr><td>(a)</td><td>${\mathrm{PCl}}_{5}$</td><td>(i)</td><td>Square pyramidal</td></tr><tr><td>(b)</td><td>${\mathrm{SF}}_{6}$</td><td>(ii)</td><td>Trigonal planar</td></tr><tr><td>(c)</td><td>$\mathrm{Br}{F}_{5}$</td><td>(iii)</td><td>Octahedral</td></tr><tr><td>(d)</td><td>${\mathrm{BF}}_{3}$</td><td>(iv)</td><td>Trigonal bipyramidal</td></tr></tbody></table>Choose the correct answer from the options given below.
In which one of the following arrangements the given sequence is not strictly according to the properties indicated against it?
Ethylene diaminetetraacetate (EDTA) ion is:
Match List - I with List - II. <table class="pyq-table"><tbody><tr><td colspan="2" rowspan="1">List-I</td><td colspan="2" rowspan="1">List-II</td></tr><tr><td>(a)</td><td>${[\mathrm{Fe}{(\mathrm{CN})}_{6}]}^{3-}$</td><td>(i)</td><td>$5.92\mathrm{BM}$</td></tr><tr><td>(b)</td><td>${[\mathrm{Fe}{({H}_{2}O)}_{6}]}^{3+}$</td><td>(ii)</td><td>$0\mathrm{BM}$</td></tr><tr><td>(c)</td><td>${[\mathrm{Fe}{(\mathrm{CN})}_{6}]}^{4-}$</td><td>(iii)</td><td>$4.90\mathrm{BM}$</td></tr><tr><td>(d)</td><td>${[\mathrm{Fe}{({H}_{2}O)}_{6}]}^{2+}$</td><td>(iv)</td><td>$1.73\mathrm{BM}$</td></tr></tbody></table>Choose the correct answer from the options given below.
$Zr(Z=40)$ and $Hf(Z=72)$ have similar atomic and ionic radii because of:
${\mathrm{BF}}_{3}$ is planar and electron deficient compound. Hybridization and number of electrons around the central atom, respectively are:
The correct sequence of bond enthalpy of ' $\mathrm{C}-\mathrm{X}$ bond is: