BITSAT Chemistry Test - 8 - JEE MCQ

In hydrogen atom, energy of first excited state is -3.4 eV. Then find out the K.E. of the electron in the same orbit of hydrogen atom

The most stable free radical among the following is

The reaction of aniline with benzaldehyde is

Which of the following has the smallest number of molecules?

Elimination of bromine from 2- bromobutane results in the formation of

The pH of blood does not appreciably change by a small addition of an acid or a base because blood

To become a carbohydrate a compound must contain at least

Structurally, which of the following are similar ions?

The standard enthalpy of formation (∆_f H^o) at 298 K for CH₄(g) is -74.8 KJ mol⁻¹. The additional information required to determine the average energy of C-H bond would be

If a mixture containing 3 moles of hydrogen and 1 mole of nitrogen is converted completely into ammonia, the ratio of volumes of reactants and products at the same temperature and pressure would be

Which of the following statements is incorrect?

Let electronegativity, ionisation energy and electron affinity be represented as EN, IP and EA respectively. Which one of the following equation is correct according to Mulliken?

The final product 'C' in the above reaction is

Which of the following can possibly be used as analgesic without causing addiction and any modification?

The coordination number of Fe(II) in oxyhaemoglobin is

Given that

Lanthanides and actinides resemble in

The hardness of transition elements is due to their

Faraday's law of electrolysis states that mass deposited on electrode is proportional to

In which of the following molecules hydrogen is more acidic?

The hydrocarbon which decolourises alkaline KMnO₄ solution ,but does not give any precipitate with ammonical silver nitrate is

The pH of blood does not appreciably change by a small addition of acid or a base because blood

Under what conditions of temperature and pressure, the formation of atomic hydrogen from meolcular hydrogen will be favoured most?

The isomers, which possess same structural formula, but differ in spatial arrangement of the group around the double bond, are called

Chlorine is passed into dilute, cold KOH solution. What are the oxidation numbers of chlorine in the products formed?

Wood charcoal is used to decolourise sugar because it

What are the products formed when ammonia reacts with excess chlorine?