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प्रश्न
Select appropriate answers for the following.
Which of the following has one lone pair of electrons?
विकल्प
IF3
ICl
IF5
ClF3
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उत्तर
IF5
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संबंधित प्रश्न
Select appropriate answers for the following.
In which of the following pairs, molecules are paired with their correct shapes?
Write the names of allotropic forms of selenium.
Complete the following.
Cl2 + ClF3 → _______
Complete the following.
H2C = CH2 + ICl → _______
Match the following:
| A | B |
| XeOF2 | Xenon trioxydifluoride |
| XeO2F2 | Xenon monooxydifluoride |
| XeO3F2 | Xenon dioxytetrafluoride |
| XeO2F4 | Xenon dioxydifluoride |
What is the oxidation state of xenon in the following compounds?
XeOF4, XeO3, XeF6, XeF4, XeF2.
Answer the following.
Acidic character of hydrides of group 16 elements increases from H2O to H2Te. Explain.
Answer the following.
Give two reactions showing the oxidising property of concentrated H2SO4.
Acidic strength of halogen acids increases in the order of _______.
Which one of the following ions has same number of unpaired electrons as those present in V3+ ion?
Which of the following halogens has the least affinity towards hydrogen?
Which of the following oxyacid of chlorine has highest thermal stability?
Arrange the following in the increasing order of their acidic strength.
Which among the following gases is used to produce and sustain powerful super conducting magnets for NMR and MRI systems?
What is the action of selenium on magnesium metal?
The most stable +2 oxidation state is exhibited by ______.
Which halide of magnesium has highest ionic character?
What is the highest oxidation state exhibited by group 17 elements?
Which among the following compounds does not act as reducing agent?
In which substance does nitrogen exhibit the lowest oxidation state?
Among the following order, which one is the correct order of reactivity of group 16 elements?
Consider the following reaction.
I. \[\ce{Na2B4O7 ->[760° C] {...A...} + B2O3}\]
II. \[\ce{Si + KOH + H2O ->{...B...} + H2\uparrow}\]
III. \[\ce{P2O5 + HNO3 -> HPO3 + {...C...}}\]
IV. \[\ce{NH3 + Cl2(excess) -> {...D...} + HCl}\]
Identify the missing products of the given reactions.
Give two reactions showing oxidising property of concentrated H2SO4. Write the structures of HClO3 and HClO4.
Arrange the halogen acids in the decreasing order of acidic strength.
Explain reactivity of halogens towards oxygen.
What are the allotropes of oxygen?
What is the action of H2 on elements of group 17?
Arrange the following in the increasing order of the property mentioned:
\[\ce{HF}\], \[\ce{HCl}\], \[\ce{HBr}\], \[\ce{HI}\] (thermal stability)
