What is the shape of molecules SF6 and IF7?

1280

---

What are the raw materials used for the precipitation of Na2Co3 by Solvay ammonium Process?

1159

---

Give the example for electrophilic substitution reaction?

1209

---

What can you calculate by selecting Born-Haber cycle?

1160

---

In water molecule the bond angle decreases from 109.28 to 104.5, why this does happens?

1055

---

What is structure of Nacl and give the co-ordination number of Nacl?

1060

---

What is the order of C-H bond length in C2H6 and C2H4 and C2H2?

1110

---

Define limiting radius?

1228

---

Which is the most Abundant Alkaline earth element?

1115

---

Define co-ordination covalent bond?

1144

---

In double bond, how many sigma and Pi bonds are present in it?

1121

---

Which group of elements is called alkaline earth metals?

1075

---

Which element in 1A group does not form peroxides?

1150

---

What is the property of Alkaline earth metal Ions?

1128

---

What are the units of bond length?

1148

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