Hydrogen

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

Front (Question)

Enthalpy of Hydrogen is more like metals or non-metals

Back (Answer)

non-metals

Front (Question)

Hydrogen anion size comparison

Back (Answer)

F,H,Cl,Br,I small to Big

Front (Question)

Which hydrogen is called heavy hygroden

Back (Answer)

Deuterium

Front (Question)

Which hydrogen isoteop is radioactive and emits what particles

Back (Answer)

tritium, Beta Particles

Front (Question)

Melting Point order of H isotopes

Back (Answer)

H2,D2,T2 small to Big

Front (Question)

density order of isotopes of H

Back (Answer)

H2,D2,T2 small to Big

Front (Question)

bond dissociation order of isotopes of H

Back (Answer)

H2,D2,T2 small to Big

Front (Question)

volatile nature order of isotopes of H isotopes

Back (Answer)

H2,D2,T2 big to small

Front (Question)

High purity H2 is obtained by

Back (Answer)

electrolysing warm aqueous barium hydroxide solution between nickel electrodes

#10

Front (Question)

water-gas, Syn gas meaning, and process of producing it is called and reaction is?

Back (Answer)

water-gas:- H2 + CO syn gas:- also called as water gas coal gasification:- C+H2O—-> CO + H2

#11

Front (Question)

The reaction of H with Fluorine,Iodine conditions

Back (Answer)

hydrogen with fluorine can happen in dark too hydrogen with iodine will happen in the presence of iodine

#12

Front (Question)

Which hydrides have polymeric structure and banana bonds

Back (Answer)

BeH2 and MgH2

#13

Front (Question)

Only d block element which forms a hydride

Back (Answer)

chromium CrH

#14

Front (Question)

Crystalline structure of ice in atmospheric and low temperatures

Back (Answer)

at Atmospheric pressure, ice crystallises in hexagonal form at low temperature, it condenses to cubic form

#15

Front (Question)

Mg (HCO3) heating product

Back (Answer)

Mg(OH)2 + CO2

#16

Front (Question)

Ca (HCO3)2 heating product

Back (Answer)

CaCO3 + H2O + CO2

#17

Front (Question)

How to remove temporary and permanent hardness

Back (Answer)

temporary: - boiling, Clark’s method permanent: - Calgons method( adding sodium hexametaphosphate also called Calgon) ; treatment with sodium carbonate), ion exchange method also called zeolite process ; synthetic resins method

#18

Front (Question)

The structure of hydrogen peroxide is planar or non-planar and the dihedral angle is more in the solid or gas phase?

Back (Answer)

H2O2 has a non-planar structure with H and H in different planes and has a dihedral angle more in the gas phase as compared to the solid phase

#19

Front (Question)

Heavy water

Back (Answer)

D2O

#20

Front (Question)

Peroxide reactions in acidc and basic mediums

Back (Answer)

#21

Front (Question)

CuSO4.5H2O structure

Back (Answer)

#22

Front (Question)

which method is more suitable for preparing deionized water?

Back (Answer)

synthetic resin method

#23

Front (Question)

how is atomic Hydrogen produces?

Back (Answer)

its produced at high temperature in an electric arc or under UV radiations

#24

Front (Question)

whats the dissociation percentage of dihydrogen at 2000K

Back (Answer)

0.081%