Ethylidene chloride on treatment with aqueous KOH gives ___________

In the reaction  X is ________.

Identify the compound 'Z' in the following reaction
\({ C }_{ 2 }{ H }_{ 6 }O\overset { { Al }_{ 2 }{ O }_{ 3 } }{ \underset { 623\quad K }{ \longrightarrow } } X\overset { { O }_{ 3 } }{ \longrightarrow } Y\overset { Zn/{ H }_{ 2 }O }{ \longrightarrow } \left( Z \right) \)

The compounds formed at anode in the electrolysis of an aquous solution of potassium acetate are __________

Homolytic fission of covalent bond leads to the formation of ___________.

The IUPAC name of  is ____________

CaO and NaCl have the same crystal structure and approximately the same radii. It U is the lattice energy of NaCl, the approximate lattice energy of CaO is _____________

The element with highest electron affinity belongs to___________.

Consider the isoelectronic species Na⁺, Mg²⁺, F^- and O^2-. The correct order of increasing length of their radius is ______________

The oxidation number of Cr in K₂Cr₂O₇ is ___________.

Which of the following is a mono-atomic molecule?

Considering the elements F, CI, O and N, the correct order of their chemical reactivity in terms of oxidizing property is_____

Which of the following possess almost same properties due to lanthanide contraction?

Consider the following statements.
(i) d-block elements show variable oxidate states.
(ii) Mostly d-block elements form colourless compounds.
(iii) Mostly d-block elements are diamagnetic due to paired electrons.
Which of the above statement is/are not correct?

Which of the following is the expected configuration of Cr (Z = 24)?

In the following the element with the highest ionisation energy is _______

The maximum density of water is observed at ___________

d-block elements form ____ compounds.

Hydrogen accepts an electron to attain the inert gas configuration. In this way it resembles __________

Hydrogen is used in _________

The number of neutrons in  hydrogen atom is ___________.

Rusting of iron articles is an example of ___________ reaction

7.5 g of a gas occupies a volume of 5.6 litres at 0° C and 1 atm pressure. The gas is ________.

The number of nodes in s orbital of any energy level is equal to _________

Assertion (A) : Oxygen plays a key role in the troposphere
Reason (R) : Troposphere is not responsible for all biological activities
i) Both (A) and R are correct and (R) is the correct explanation of (A)
ii) Both (A) and R are correct and (R) is not the correct explanation of (A)
iii) Both (A) and R are not correct
iv) (A) is correct but( R) is not correct