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In industry SO_2, is prepared from

In India thorium deposits are found mainly in the forms of:

In india steel plants are not located at :

In India. Ethyl alcohol is mainly manufactured by

In india iron is obtained from the ore :

In india at the occasion of marriages, the fire works used give green flame. Which one of the following radicals may be present

In India at the occasion of marriages, the fire works are used, which of the following gives green flame?

In impurestate , phosphineis not combustibledue tothe presence of-

In IIIA group , Tl (thallium ) shows +1 oxidation state while other members show +3 oxidationstate. Why

In III period, the mst acidic oxide is formed by :

In III group precipitation NH_(4)CI is added before adding NH_(4)OH due to

In ICl_(3) hybridisation of I sp^(x)d^(y)& LP on I is Z then x+y+z

In IF_(6)^(-) and TeF_(5)^(-), sum of axial d-orbitals which are used in hybridisation in both species.

In [ICl_(2)]^(-) ion, the lone, pairs present in iodine atom are separated at an angle of

In I Cl_(4)^("ϴ"), shape is square planar. The number of bond pair – lone pair repulsion at90^(@) are:-

In hypothetical reversible reaction underset((1M))(A)underset(t_(1//2)=2"min")overset(t_(1//2)=6.93"min")(hArr)underset((0.4M))(B) Forward reaction =1st order Backward reaction =0 order What is the rate of disappearance of A at the given moment?

In hypobromite reaction of amide, carbonyl carbon atom is lost as :

In hydrolysis of a salt of weak acid and strong base, the hydrolysis constant (K_a) is equal to

In hyper conjugation, the atom involved is:

In hydrometallurgy of copper, iron scrap is used instead of zinc scrap because ________.

In hydrogen fule cell _____________

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.

In hydrogen atom, energy of first excited state is-3.4eV. TheK.E. of the same orbit of H-atom is

In hydroboration oxidation of alkene , the initial attack is

In hydrides of group16 elements, the order of thermal stability of hydrides is ________.

In hydration of alkene first step is

In human beings and animals, the oils and fats are hydrolysed by the enzyme:

Oils and fats are :

In human body enzymes hydrolyse protein into:

In how many ways among the following given, a nuicleus with high n/p ratio is expected to decay alpha-decay,beta-decay, positron decay,K-electron capture.

In how many reactions CO_(2) gas is released out after reaction with NaHCO_(3) (1) CH_(3)-underset(O)underset(||)overset(O)overset(||)(S)-O-H+NaHCO_(3) rarr (2) CH_(3)-underset(O)underset(||)(C)-O-H+NaHCO_(3) rarr CH_(3)-CH_(2)-OH+NaHCO_(3) rarr (5) CH_(3)-C-=C-H+NaHCO_(3) rarr

In how many way among the following , a nucleus with high n/p ratio is expected to decay alpha- decay , beta- decay , positron decay , electron capture .

In how many total number of compound central atom 'X' has only 3 xoidation state : Hypophosphorous acid, Isohypophospheric acid, Dithionous acid, Phosphorous acid. Sodium trimeta borate, Chlorous acid, Nitrous acid.

In how many species positive charge is not delocalized

In how many of the following, the second element has a higher density than the first one? (1) Ag,Au , (2) Hf, Zr , (3) Zn, Hg (4) Na, Cu , (5) Ca,Co , (6) Ta, Nb

For which of the following reactions, DeltaH is equal to DeltaU ?

In how many of the following compounds of sulphur, there is S-S bond (only single bond not double bond between two sulphur atoms.) H_2S_2O_4, H_2S_2O_3, H_2S_2O_5, H_2S_2O_6, H_2S_2O_7, H_2S_2O_8, S_2Cl_2, "cyclic"(SO_3)_3.

In how many of the following compounds 'd' orbital (which contains no nodal plane) is used in hybridisation of central atom/ion ? Fe(CO)_(5),""MnO_(4)^(-),""Co(C_(2)O_(4))_(3)^(-3), NiCl_(2)(PPh_(3))_(2),""PtCl_(4)^(2-),""Ni(CN)_(4)^(-2), Ni(CN)_(4)^(-4)

In how many of the following compound of sulphur, there is S-S bond (only single bond not double bond between two sulphur atoms). H_2S_2O_4, H_2S_2O_3, H_2S_2O_5, H_2S_2O_6, H_2S_2O_7, H_2S_2O_8, S_2Cl_2, "cyclic"(SO_3)_3

In how many of the following compound secondary suffix name is used as carboxylic acid ?

In how many of the following complex ions, the central metal ions use (n-1)d, ns and np orbitals for hybridisation ? [Mn(CN)_6]^(4-), [Ni(NH_3)_6]^(3-), [Co( o x)_3]^(3-), [Cu(NO_2)_6]^(4-), [AgF_4]^(-), [Ni(CN)_4]^(2-), [PdCl_4]^(2-), [PdCl_4]^(2-), [Pd(CN)_4]^(2-),[Co(SCN)_4]^(2-)

In how many litres of water, 10 g of CH_3COOHshould be dissolved to give [H] = 10^(-3)? K_a(CH_3COOH) = 1.8 xx 10^(-5)?

In how many compounds delocatisation of electrons is possible ?

In how many following species , the central atoms have two lone pairs of electrons ? {:(XeF_4,XeF_5^-,F_2SeO_2),(XeF_3^(+),XeOF_4,CIOF_3),(ICl_4^(-), SCl_2, OSF_4):}

In hot water Bleaching powder does not given

In homogeneous catalytic reactions, the rate of reaction:

In homogeneous catalytic reaction, the rate of reaction :