Question
Identify the wrong statement in the following.
✓
Answer
a
Atomic radius of the elements decreases across a period from left to right due to increase in effective nuclear charge. On moving down a group, since, number of shells increases, so atomic radius increases
Atomic radius of the elements decreases across a period from left to right due to increase in effective nuclear charge. On moving down a group, since, number of shells increases, so atomic radius increases
Amongst isoelectronic species ionic radius increases with increase in negative charge of decrease in positive charge
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
Which of the following can show geometrical isomerism ?
Identify product $C$ in above reaction sequence
→In thermodynamics, a process is called reversible when
Maximum oxidation state is snown by
Sulphur molecule is converted into sulphur ion, when it
The activation energy for a simple chemical reaction $A \to B$ is ${E_a}$ in forward direction. The activation energy for reverse reaction
→When two pairs of electrons are shared, bond is
A blue colouration is not obtained when
Given below are two statements, one is labelled as Assertion $A$ and the other is labelled as Reason $R$.
→Assertion $A$ : $\left[ CoCl \left( NH _3\right)_5\right]^{2+}$ absorbs at lower wavelength of light with respect to $\left[ Co \left( NH _3\right)_5\left( H _2 O \right)\right]^{3+}$
Reason $R$ : It is because the wavelength of the light absorbed depends on the oxidation state of the metal ion.
In the light of the above statements, choose the correct answer from the options given below :
Which of the following represents the most oxidized form of hydrocarbon